{"coeffs": [-8.699834186540157e-07, 4.266766803520717e-05, 0.7837847528990654, 0.2940125290813328], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.854511203015184e-06, 0.00016803649466263674, 1.9295274333217027, 0.5497719208845362], "covariance": [[6.169334623829104e-11, -1.21418102925185e-09, -1.3995207573845911e-05, -4.207580268413638e-06], [-1.214181029251798e-09, 2.8236263538506345e-08, 0.000324114740903839, 9.061034232813811e-05], [-1.3995207573845317e-05, 0.0003241147409038394, 3.7230761159410384, 1.0435491508402812], [-4.2075802684135504e-06, 9.061034232813997e-05, 1.0435491508403012, 0.3022491649930727]]}